linux-kernel - [PATCH] scsi: core: Add BLIST_SKIP_VPD

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Message-Id: <20230313041402.39330-1-joelselvaraj.oss@gmail.com>
Date:   Sun, 12 Mar 2023 23:14:02 -0500
From:   Joel Selvaraj <joelselvaraj.oss@...il.com>
To:     "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        Joel Selvaraj <joelselvaraj.oss@...il.com>
Subject: [PATCH] scsi: core: Add BLIST_SKIP_VPD_PAGES for SKhynix H28U74301AMR

Xiaomi Poco F1(qcom/sdm845-xiaomi-beryllium*.dts) comes with a SKhynix
H28U74301AMR UFS. The sd_read_cpr operation leads to a 120 seconds timeout
making the device bootup very slow. Like the following:

[  121.457736] sd 0:0:0:1: [sdb] tag#23 timing out command, waited 120s

Setting the BLIST_SKIP_VPD_PAGES allows the device to skip the failing
sd_read_cpr operation and boot normally.

Signed-off-by: Joel Selvaraj <joelselvaraj.oss@...il.com>
---
 drivers/scsi/scsi_devinfo.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index c7080454aea9..bd110a93d047 100644
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -233,6 +233,7 @@ static struct {
 	{"SGI", "RAID5", "*", BLIST_SPARSELUN},
 	{"SGI", "TP9100", "*", BLIST_REPORTLUN2},
 	{"SGI", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
+	{"SKhynix", "H28U74301AMR", NULL, BLIST_SKIP_VPD_PAGES},
 	{"IBM", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
 	{"SUN", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
 	{"DELL", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
-- 
2.39.2